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  1. MariaDB Server
  2. MDEV-34259

Optimization in row_purge_poss_sec Function for Undo Purge Process

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    Description

      I have report this performance issue to upstream. After review the code of mariadb, it seem mariadb has the same issue

      https://bugs.mysql.com/bug.php?id=115107

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32050 UNDO logs still growing for write-intensive workloads

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33213 History list is not shrunk unless there is a pause in the workload

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed

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              marko Marko Mäkelä
              baotiao zongzhi chen
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